{"product_id":"graphite-melting-crucibles-6-sizes-usa","title":"Graphite Melting Crucibles","description":"\u003cp\u003eGraphite melting crucibles built for serious metalwork. These robust crucibles — often called black lead — are designed to withstand temperatures up to 3000°F and tolerate thermal shock, making them a reliable choice for foundry work, metal casting, and high-heat melting applications. Available in six sizes to suit a range of production needs, from smaller pours to larger melt volumes. Made in the USA.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWithstand temperatures up to 3000°F\u003c\/li\u003e\n\u003cli\u003eTolerate thermal shock\u003c\/li\u003e\n\u003cli\u003eGraphite construction — commonly referred to as black lead crucibles\u003c\/li\u003e\n\u003cli\u003eAvailable in six sizes to accommodate varied melting volumes\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eGraphite (black lead)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaximum Temperature\u003c\/th\u003e\n\u003ctd\u003e3000°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThermal Shock Resistance\u003c\/th\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOrigin\u003c\/th\u003e\n\u003ctd\u003eMade in the USA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003cth\u003eDiameter\u003c\/th\u003e\n\u003cth\u003eHeight\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e122.766\u003c\/td\u003e\n\u003ctd\u003e#4\/0\u003c\/td\u003e\n\u003ctd\u003e2-3\/8\"\u003c\/td\u003e\n\u003ctd\u003e3-1\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e122.768\u003c\/td\u003e\n\u003ctd\u003e#2\u003c\/td\u003e\n\u003ctd\u003e3-7\/8\"\u003c\/td\u003e\n\u003ctd\u003e4-9\/16\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e122.770\u003c\/td\u003e\n\u003ctd\u003e#4\u003c\/td\u003e\n\u003ctd\u003e4-3\/4\"\u003c\/td\u003e\n\u003ctd\u003e5-1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e122.771\u003c\/td\u003e\n\u003ctd\u003e#6\u003c\/td\u003e\n\u003ctd\u003e5-3\/8\"\u003c\/td\u003e\n\u003ctd\u003e6-5\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e122.772\u003c\/td\u003e\n\u003ctd\u003e#8\u003c\/td\u003e\n\u003ctd\u003e5-7\/8\"\u003c\/td\u003e\n\u003ctd\u003e7\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e122.773\u003c\/td\u003e\n\u003ctd\u003e#10\u003c\/td\u003e\n\u003ctd\u003e6-1\/16\"\u003c\/td\u003e\n\u003ctd\u003e8-1\/16\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"#4\/0","offer_id":47551725437142,"sku":"122.766","price":59.0,"currency_code":"USD","in_stock":true},{"title":"#2","offer_id":47551725469910,"sku":"122.768","price":70.0,"currency_code":"USD","in_stock":true},{"title":"#4","offer_id":47551725502678,"sku":"122.770","price":86.0,"currency_code":"USD","in_stock":true},{"title":"#6","offer_id":47551725535446,"sku":"122.771","price":108.0,"currency_code":"USD","in_stock":true},{"title":"#8","offer_id":47551725600982,"sku":"122.772","price":136.0,"currency_code":"USD","in_stock":true},{"title":"#10","offer_id":47551725568214,"sku":"122.773","price":170.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/graphite-melting-crucibles-otto-frei.jpg?v=1719955438","url":"https:\/\/www.ottofrei.com\/products\/graphite-melting-crucibles-6-sizes-usa","provider":"Otto Frei","version":"1.0","type":"link"}